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an addition that is added to the beginning of a word to give it a different meaning
add-word-to join 2 sums together
+ re-prefix- again = readd-modified word - to join 2 sums together again
prefix by zach johnson May 9, 2008
When, prior to consulting a professional, an unskilled moron tries to fix a partially broken item, but instead renders it completely useless in the process.
I prefixed my bike chain with some dish soap and a hair pin before taking it to the shop.
prefix by Blue Jay Scott December 30, 2009
The act of completly destroying a partially broken/damaged object before calling in a professional.
"I was at my bud's and I saw him prefix his T.V."

"Sucks for him."
Prefix by Repair man August 11, 2008
a series of letters added to the start of the word to make a new word with a new meaning. some examples of prefixes are:
un-/in- = not
over- = too much
under- = too less.
Like a suffix, when a prefix is added to a word, the word becomes a base word.
A prefix is used to change words!
prefix by Khizar Caliphate October 7, 2021
A word category that has no grammatical use or context outside of being appended to the beginning of a word to give it extra meaning. In some cases they are referred to as their own words, as when compounded together with specific words, they create no dictionary word, for example interuniversal, to mean "between universes".

Words that are prefixes are usually followed by a "-" when spoken about in definitions, or mentioned as the word itself and not by its definition, to denote that it is a prefix.
Common examples of Prefixes are: pre-, inter-, intra-, and post-.
Prefix by A.U.S March 28, 2025

prefix: mc 

can be added to anything as an insult or otherwise
also anything relating to mcdonalds
you're a mcdeushe
go jam a mcdildo up ur ass
prefix: mc by Derock May 29, 2004
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
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